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Ti NORDBNPELT. 7 Sheets Sheet l.

T MACHINE GUN. Y I D10. 298,493. Patented May 18,'1884.

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7 Sheets-Sheet 2.

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T. NORDBNFELT.

. MACHINE GUN. N0. 298,493. Patented May 13, 1884.

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7 Sheets-Sheet 3. T. .NORDFNFELTl MACHINE GUN. No. 298,493.

Patented May 13, 1884.

N. PETERS, Pham-Lithography. washington. D. C.

7 Shets-fSheet '4.

y l? r T. N ORDENFELT. MACHINE GUN.

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(No Model.) 7 Sheets-.Sheet 5.

T.v NORDENFELT.

MACHINE GUN.'v

Patented May 13, 1884.

No. 298,493.l

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(No Model.)

T" NORDENFELTI 7 Sheets-Sheet 6.

MACHINE GUN.

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v 7 Sheets-Sheet 7. T.'NORDENFELT.

MACHINE GUN. I

Patented May 13, 1884.

NV PETERS, Phmbliihegraphlm WuMngfm, D4 C.

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THORSTEN NORDENFELT, OF VTESTMINSTER, FNGLAND.

MACHINEHGU'N.

SPECFICATION forming part of Letters Patent 510.298,493, dated May 13, 1884.

Application filed May 23, 1883.

(No model.) Patented in England October 14, 1882, No. 4,809; in France April 14, 1883, No. 154,872;

in Germany April 20,1883, No. 25,956; in Spain July 10,1883; in Italy September 150, 1883, No. 15,723, and in Austria December France, No. 151,872, dated April 14, 1883; .in`

Germany, No. 25,956, dated April 20, .1883; in Spain, dated July 10, 1883; in Italy, No. 15,7 28, dated September 30, 1888, and in Austria, No. 27,846, dated December 15, 1883,) of which the following is a specification.

This invention has for its object improvements in machine-guns; and it relates especially to simplification of the construction and improvements of the details of thatclass of gun now well known as the Nordenfelt gun,77` and which have the barrels arranged side by side in a horizontal plane in the fore part of a rectangular frame.

In'the drawings annexed, Figure 1 is a plan partly in section, and Fig. 2 is a longitudinal and vertical section, of a seven-barreled gun constructed in accordance with my invention. Fig. 8 is a rear elevation of the same, and Fig. f1 is a transverse verticalsection taken on the lines 1 1 and 2 2 in Fig. 1. Fig. 5 is a vertical section, Fig. 6 a rear elevation, and Fig. 7 a plan, of a portion of the center cross-piece of the frame with a part of one of the barrels and a portion. of the cover. Fig. 8 is a side elevation, and Fig. 9 is a plan, of a portion of the fore part of the frame and of one of the barrels. Figs. 10 show details of the front cross-piece. Fig. 11 is a portion of a longitudinal section "of a modification. Fig. 12 shows details of the hand `and action levers. Fig. 18 is a plan showing details of the spreading mechanism. Fig. 14 is a longitudinal section, Fig.' 15 is a plan, Fig. 16 is arear elevation, and Fig. 17 is a t-ransverse section, of a y modication.

A A are the barrels; B, the front cross-piece, and C the center cross piece, of the rectangular frame.

D is the cover which closes over the breech mechanism, and which, as in the ordinary Nordenielt gun, has openings in it, through which the cartridges descend. from a movable magazine into the gun. The cover is hinged at d to the center cross-piece, C.

E is the action-block, and F F are the side bars of the rectangular frame, which, near their rear ends, also serve to guide the action-block in its movements to and fro.

G are the plun gers by which the cartridges are thrust into the barrels and the breeehes closed behind them. The plungers are armed with extractors, as usual, to draw the cartridgecases out of the barrels.

H are the strikers or firing-pins for iiring the cartridges.

I are the springs lfor throwing the strikers forward.

K is the action-lever, by which the parts are moved.

M is the cartridge-receiver, into which the cartridges fall from the magazine, and which carries the cartridges to the barrels. The cartridge-receiver has openings through it, as usual, for the delivery of the cartridge-cases when they are withdrawn from the barrels.

, N is the trigger-comb, which retains and releases the strikers at the proper times.

O is a part of the support on which the gun is carried.

l is the upper end of the elevating-screw, connected with'O by a universal joint.

Q is a clamp, also forming part of a spreading arrangement, hereinafter described. T is the hand-lever for working the gun.

I will now proceed to explain the novel features which these parts present.

I have represented two different arrangements for iiXing the barrels in their places. One of these is illustrated by the Figs. 5, 6, 7, 8, and 9. As shown in these gures, the barrels A are inserted from behind through the center cross-piece, C, and front cross-piece, B, of the frame, and kept in position by lugs a on their breech ends, and the cover D hinged to the top of the center cross-piece.

Another method of securing the barrels is represented in Figs. l and 2. The barrels are in the usual way screwed into the center crosspiece. The front cross-piece is then passed over their muzzles and secured to the side arms of the frame by keys or bolts. The barrels have flats upon them, and corresponding projections on the front cross-piece prevent them unscrewing.

Figs. 10 show the forms of the holes and recesses in the cross-piece B, and of the Hats upon the barrels, which render it impossible for the barrels to turn when the cross-pieceis in its place and secured by the keysff. The action-block E, which holds the plungers G, firing-pins H, and firing-springs I, is so short that it does not, as heretofore, reach over the rear end of theA frame when it is at its rearmost position. It is provided with a camslot, c, on its under side, by which, through a friction-roller, 7n, on the action-lever K, it receivesitssliding motion backwardandforward.

At the front end of the action-block E, below the plungers, is a projecting plate, L, carrying oblique studs Z and Z, which, working with corresponding inclines, m and m, in the cartridge-receiver M, shifts the cartridgereceiver at the end of the rearward and beginning ofthe forward motions of the actionblock E, in order to feed the gun. The iirst movement places the recesses in the cartridgereceiver beneath the openings in the cover, so that cartridges may fall into them from the magazine, and the second movement carries these cartridges to the barrels, ready to be thrust into them by the plungers G on the further advance ofthe action-block. The firing-pins H, each surrounded by its spring` I, are placed in holes drilled through the actionblock and part of the plungers, and protrude behind the action-block, through the springbar e, which is in two pieces. They are each provided with a lug, l1., on'the under side, and these lugs are slanted or beveled off attheir rear in order to move laterally the trigger-comb N, which lies at the rear end ofthe frame. The tri gger-comb is held to one side-say to the left-by a spring, a', and is provided with studs or lugs a for retaining the firing-pins. These studs or lugs are slanted or beveled on one side to correspond with the slant on the iiring-pin lugs 7L, which, being pressed against them in the rearward motion ofthe action-block E, moves the trigger-comb N to the right until thefiringpin lugs 7L have passed the cooking-lugs n. The spring n then brings the comb N to the left again, whereby the cocking-lu gs n come in front ofthe lugs 71. on the firing-pins, retaining them during the forward motion of the action-block E, and until they are released by the action-lever K moving the trigger-comb N. The part of the firing-pin above the lug is of a rectangular section, and enters a guiding-recess, d', in the rear part of the cover or frame, while the lug 7i is working the trigger-comb N. The action of the trigger-comb N is not dependent on the spring W, for if this trigger-comb spring a should break or become weak its work will be performed by a beveled lug, c', on the actionblock which comes in contact with the comb at u, and works it over to the left as soon as the firing-pin lugs h have passed the lugs a on the trigger-comb. VJ hen the hand-lever T approaches its foremost position, the heel k of the action-lever K comes in contact with a stud, a2, on the trigger-comb N, bringing this to the right, releasing the liring-pins or hammers H, and iiring the shots. Further, in case of breakage or weakness of the trigger-comb spring a, there is another stud,a4,on the comb, which is touched by the same heel of the action-lever when this goes back again, bringing the comb to the left. This stud is so placed that the comb N is moved the re( uired distance, and is then held in position by the heel L until it is time for it to be moved by the iiring-pins. Sometimes, to shorte,... the mechanism by the length which the striker H in Fig. 2 projectsthrough the sprilg-bar @3,1 form the striker with an arm, h', of] its under side to carry the lug h. @This modification is shown in Fig. ll. The action-lever K, which, by the friction-roller 7s upon it, works the acthe same time as it moves the trigger-comb N for firing. This is done by rounding off both ends L" and L" of the lever K to a radius equal to their distance from the center of rotation, and having corresponding concave surfaces on the action-block E at c2 and on th" rear of the frame at f. These surfaces are o arranged that the front of the action-lever cl enters the concave eL on the action-block E when this is fully forward, and before the rear endJt", ofthe lever has commenced to move the trigger-comb N. Then the shots are iired, the blows caused by the explosion press the action-block E against the lever K, and the lever, being supported at the rear, transfers the blow to the frame.

Fig. 12 shows a vertical sectionI through the boss of the action-lever and the socket on the frame into which the boss is received. It shows also, in elevation, a portion of the handlever and a stud upon it, which enters within and engages with the boss of the action-lever. As will be seen, the action-lever K has a boss,A k, which enters asocket, f, in a bracket on the fra-me. The boss k2 is tubular, and a notch, la, is cut in the side of it at,its lower part. The hand-lever T has a stud, t, entering the hole in the action-lever boss, and it has also a lug, t, to correspond with the notch L3. The bracket is provided with a flange, f1, underneath. It overlaps the socket k2 on one side, and serves for the lug t to rest upon when the levers are in acting position. The hand-le ver is thus kept in place, thus making crosspins and split pins unnecessary for coupling the hand-lever to the action-lever. The hand-lel tion-block E, is also made to lock the breech at ICO IIO

IZO

ver is easily made to engage with the actionlever when the action-block has been removed, and when it is in place the two levers are securely locked together.

Fig. 13 is a plan of the parts concerned in producing the spreading movement, by which in the act of ring the position of the gun is slightly varied, so that al1 the shots may not be planted in the same place. The hand-lever T is provided with another lug or finger, t2, to work the spreading apparatus. There is abracket, O, to which the elevating-screw bracket, and graduated te the required spreading for diffrent distances. The spreading given by thef'apparatus is dependent-upon the distance of the point q/ of the pin Q, acted upon by the spreading-finger t2 from the center of motion of the lever T-the farther the bolt or pin is projected forward toward the center the less movement is imparted. After ring, the gun is brought back toits original position by the spreading-finger t2, acting at o against a lug, 02, on the bracket 0. Thus the bracket is brought up against the stop fl, and it is retainedffthere during the further movement of the hand-lever by curved horn or lug o2. The bolt or pin Q can also be used as a cramp to fasten the bracket() to the gunframe when no spreading is required. The

bolt or pin Q is then drawn back until it is clear of the spreadingnger t2, and its head is made to entera notch, f6, in the frame.

Fig. 14 is a longitudinal and vertical section, Fig. 15 a plan, Fig. 16 a rear elevation, and Fig. 17 afrransverse section, of afour-barreled gun of larger caliber. The cocking apparatus differs somewhat from that previously described.

I arrange, the cocking mechanism so that the hammers or firing-pins H do not work the trigger-comb N'to the side. I thereby save some of the labor which is required for overcoming the pressure of the trigger-comb spring.

Instead of having a spring to press the trigger-comb over to one side,I place a spring, S, along the rear side of the comb, in order to `make the comb work somewhat sftifliy. The spring has a lug, and the trigger-comb two notches, n ai, with which the lug engages. They are placed as far apart as the length of the stroke of the trigger-comb N The lug on the trigger-comb, by means of which the action-lever heel brings the comb back after firing, will in this case be dispensed with.

Vhen the yshots are iired,the trigger-comb N is placed so that the cocking-lugs a are clear of the firing-pin lugs h. The comb retains this position until after the firing-pin lugs la have 7c returned past the cocking-lugs n, and then the beveled lug e on the action-block, acting against the incline aforces the comb N over to the other side, where it remains until the action-lever heel It works it back for firing. In this gun the cartridge-receiver M receives movement from the action-block E by means of a stud, Z, at the end of an arm, L, projecting forward from the action-block. The stud Z -is contained in a central passage, m, pro- 8o vided in the cartridge-receiver M to receive it, and atm the passage is inclined so that the stud, traversing the passage, may impart the desired movement to the cartridge-receiver. In this gun also the action-block is locked,when the breech is closed,by bolts R R, pushed out from it into the frame. The bolts are controlled by a slotted lever rocking on a pivot, e. The slotted lever receives movement from the end 7c* of the action-lever, as in 9o Nordenfelt guns at present in use.

Having thus described the nature of my said invention and the manner of performing the same, I would have it understood that I claim- 1. The combination of the frame, the bar- 95 rels having supportingconnection therewith at front and having grooved lugs formed on their rear ends, the cross-piece C of the frame having recesses into which said lugs enter, and the cover provided with the enlargement re- 10o ceived by the-grooves of the barrel-lugs, substantially as and for the purpose hereinbefore set forth.

2. The combination of the frame, the barrels having supporting-connection therewith [o5 at rear and reduced at their front ends, and

a front cross-piece, B, of the frame grooved and perforated within its groove to receive the reduced ends of the barrels, substantially as hereinbefore set.

3. The combination of the longitudinallymoving actionblock having the projecting piece L, and inclines ZZ, and the transverselymoving cartridge-receiver having inclines m m,actuated by the action-block, substantially as and for the purpose hereinbefore set forth.

4. The combination of the strikers, the trigger-comb provided with the incline a3, and the action-block provided with an incline, u', acting against the incline of the trigger-comb, 12o substantially as and for the purpose hereinbefore set forth.

. 5. The combination of. the frame provided with the cavity f2, the action-block with the cavity e?, and the action-lever having ends k 7c, entering said cavities, substantially as and for the purpose hereinbefore set forth.

6. The combination of the frame provided with the socket f3, having the angefi the action-lever provided with the hollow boss k2, 13o entering the frame-socket, and the hand-lever T, having the stud t, entering the boss of the IIO action-level, and provided with the lug bearing against the Hange of the frame-socket, Substantzly as and for the purpose hereinbefore seb forth.

7. The combination of the bracket O of the frame' or carriage, the adjustable bolt or pin Q, and the handiever T, having the spreading lug 011 finger, substantially as and for the purpose hereinbefore set forth.

TI-IORSTEN N ORDEN FELT. Vtn esses:

G. NV. VESTLEY, GEO. J. B. FRANKLIN,

Both of 17 Graceclmrch Street, London. 

